The closest they have previously come was in the 1928/1929 season - when they were runners up in the then Football League First Division.

If Leicester City pull off the impossible Coral alone will lose £4m.

While Ladbrokes are set to pay out more than £1m to 46 punters.

The biggest of those stakes was £50, meaning one better could land an incredible £250,000.

PA

Leicester City only need three more points to clinch the Premier League title

And many more placed bets when Leicester were at 2,500-1, 1,000-1 and 500-1.

Coral, who now have them as 2-1 favourites, said the average stake was £10.

PA

Jamie Vardy's goals have helped Leicester City surge to the top of the Premier League and stay there

Spokesman John Hill said: “If Leicester do manage to keep up their good form and win the Premier League title, it would be one of the worst days in history for Britain’s bookmakers who stand to lose in the region of £50m.

“Ahead of every Premier League season, we take a bundle of bets at an average stake of £10 on some of the big-priced teams in the league. It just so happens that Leicester are giving it a real good go this season.”

10 things more likely than Leicester winning the Premier League

Thu, April 28, 2016

Click through the gallery to discover 10 things that had better odds at the beginning of the season than Leicester City winning the Premier League title